Richard OneillM.D.
Geriatric Medicine·Saint Louis, MO
Richard Oneill, M.D. is a Geriatric Medicine provider in Saint Louis, MO, as of July 2026.
- NPI1265570485
- Registered2007
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Richard Oneill at a glance
- Provider
- Richard Oneill
- Credential
- M.D.
- Specialty
- Geriatric Medicine
- Location
- Saint Louis, MO
- NPI registered
- 2007
- NPI
- 1265570485
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Richard Oneill practice?
Richard Oneill, M.D. is based in Saint Louis, MO. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Richard Oneill's NPI number?
Richard Oneill's National Provider Identifier (NPI) is 1265570485, registered in 2007. Specialty on record: Geriatric Medicine; credential M.D.
How many Geriatric Medicine providers in Missouri work at ambulatory surgery centers?
4 Geriatric Medicine surgeons and proceduralists in Missouri are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Richard Oneill among them. The Missouri Geriatric Medicine directory lists each one by city with credential, NPI, and center affiliations.
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